Then the following part put forward the assumption: our country should make more research on the burden of proof in medical issues from the aspects of theory and practice.

在此作者介绍了英美法中的“事实自证原则”，德国法上的“表见证明理论”以及“重大医疗过失的举证责任转换”，并将这些理论与我国的举证责任倒置做了比较。

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In chapter one, it introduces the theory, history and actuality of relay protection testing devices first, then proposes the scheme of this system and the task of this research.

本文第一章首先介绍了继电保护测试仪的原理以及历史和现状，然后提出本系统的设计方案和本课题的任务。

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Then, this letterpress exercise the base theory about operational research, management, game theory correspond to management and decision-making, bring up improve project.

之后，本文运用运筹学、管理学、博弈论等相关的管理与决策的基础理论知识，提出改进方案。

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